CN116379712A - Drying equipment is used in spherical graphite production - Google Patents
Drying equipment is used in spherical graphite production Download PDFInfo
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- CN116379712A CN116379712A CN202310656703.9A CN202310656703A CN116379712A CN 116379712 A CN116379712 A CN 116379712A CN 202310656703 A CN202310656703 A CN 202310656703A CN 116379712 A CN116379712 A CN 116379712A
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- spherical graphite
- feeding
- heat exchange
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- 238000001035 drying Methods 0.000 title claims abstract description 101
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 100
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 98
- 239000010439 graphite Substances 0.000 title claims abstract description 98
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 26
- 230000017525 heat dissipation Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 239000002699 waste material Substances 0.000 abstract description 7
- 238000001125 extrusion Methods 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 16
- 238000010438 heat treatment Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000001816 cooling Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010981 drying operation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
- F26B3/06—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried
- F26B3/08—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried so as to loosen them, e.g. to form a fluidised bed
- F26B3/082—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried so as to loosen them, e.g. to form a fluidised bed arrangements of devices for distributing fluidising gas, e.g. grids, nozzles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
- F26B21/002—Drying-air generating units, e.g. movable, independent of drying enclosure heating the drying air indirectly, i.e. using a heat exchanger
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/001—Handling, e.g. loading or unloading arrangements
- F26B25/002—Handling, e.g. loading or unloading arrangements for bulk goods
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The invention is applicable to the technical field of drying equipment, and provides drying equipment for spherical graphite production, which comprises the following components: the drying device comprises a shell, wherein a feeding area and a drying area are arranged in the shell, the feeding area is located below the drying area, a feeding hole is formed in one side of the feeding area, the feeding hole is connected with a screw conveyor, a first sieve plate is arranged between the feeding area and the drying area, a blast hole is formed in the bottom of the feeding area, a material suction pipe is arranged in the middle of the drying area, a plurality of through holes are formed in the material suction pipe, an exhaust fan is connected to the material suction pipe in an external mode, and a hygrometer is arranged above the material suction pipe. By the aid of the feeding areas and the drying areas which are arranged up and down, floating of the spherical graphite in hot air is achieved, floating of the spherical graphite is achieved by means of the fact that the water content of the spherical graphite is different, the hot air is in direct and full contact with the graphite, drying efficiency is high, and energy waste caused by multi-stage heat transfer is avoided; by utilizing the movement of the sliding plate, the extrusion and crushing of the agglomerated graphite are realized.
Description
Technical Field
The invention relates to the technical field of drying equipment, in particular to drying equipment for spherical graphite production.
Background
In spherical graphite production process, need dry the spherical graphite product that contains moisture, discharge its moisture, obtain dry spherical graphite, the patent of publication No. CN209945037U, propose a graphite drying equipment, including the heating furnace, the drying tube, the blanking jar, the air-seal machine, the connecting pipe, the filter screen, the fan, fixed connection is in the play tuber pipe of fan air-out position, fixed connection is at the inlet pipe of drying tube feeding one end and fixed connection is at the feeder hopper that the inlet pipe deviates from drying tube one end top, still including setting up in the heating barrel outside and being cylindric setting tail gas shell, the sealing ring of setting in tail gas shell top and bottom, fixed connection is at blast pipe and fixed connection at the tail gas pipe at the heating furnace top of top sealing ring one side, the tail gas pipe is leading-in tail gas between heating furnace and the tail gas shell, heat the drying tube between heating furnace and the tail gas shell through the tail gas, make the heat of tail gas can transmit in the graphite powder in the drying tube. However, although the device can dry graphite, the device adopts a plurality of heat exchanges to realize heat transfer, so that heat is wasted, meanwhile, the graphite containing moisture is easy to harden, the drying efficiency of graphite blocks in a hardened state is lower, the device does not have a mechanism for crushing the graphite blocks, and the hardened graphite blocks are easy to be mixed in graphite powder and flow into the next process, so that the product quality is influenced.
In summary, it is clear that the prior art has inconvenience and defects in practical use, so that improvement is needed.
Disclosure of Invention
Aiming at the defects, the invention aims to provide the drying equipment for producing the spherical graphite, which utilizes the feeding area and the drying area which are arranged up and down to realize the floating of the spherical graphite in hot air, and utilizes the difference of the water content of the spherical graphite to realize the floating of the spherical graphite, the heavy humidity and the light humidity, and the hot air directly and fully contacts the graphite, so that the drying efficiency is high, and the energy waste caused by multi-stage heat transfer is avoided; by utilizing the movement of the sliding plate, the extrusion and crushing of the agglomerated graphite are realized.
In order to achieve the above object, the present invention provides a drying apparatus for spherical graphite production, comprising: the drying device comprises a shell, wherein a feeding area and a drying area are arranged in the shell, the feeding area is located below the drying area, a feeding hole is formed in one side of the feeding area, the feeding hole is connected with a screw conveyor, a first sieve plate is arranged between the feeding area and the drying area, a blast hole is formed in the bottom of the feeding area, a material suction pipe is arranged in the middle of the drying area, a plurality of through holes are formed in the material suction pipe, an exhaust fan is connected to the material suction pipe in an external mode, and a hygrometer is arranged above the material suction pipe.
According to the drying equipment for spherical graphite production, the heat exchange area is arranged on the upper portion of the shell, the heat exchange area is located on the upper portion of the drying area, the air guide pipe is arranged in the heat exchange area, the air guide pipe is connected with the heat exchange area in a penetrating mode, and heat exchange media are stored in the heat exchange area.
According to the drying equipment for spherical graphite production, the air guide pipe is in the shape of the spiral spring, so that the resistance of air flow is reduced, and the heat dissipation area is increased.
According to the drying equipment for spherical graphite production, the center position of the air guide pipe is higher than the outlet position of the air guide pipe.
According to the drying equipment for spherical graphite production, a preheating layer is arranged outside the screw conveyor, and the preheating layer is communicated with the heat exchange area.
According to the drying equipment for spherical graphite production, a blast chamber is arranged below the feeding area, and a second sieve plate is arranged between the blast chamber and the feeding area.
According to the drying equipment for spherical graphite production, a sliding plate is arranged in the feeding area and is in sliding connection with the shell.
According to the drying equipment for spherical graphite production, the shell is provided with the telescopic cylinder corresponding to the sliding plate, and the movable end of the telescopic cylinder is fixedly connected with the sliding plate.
According to the drying equipment for spherical graphite production, the shape of the sliding plate is matched with the cross-sectional shape of the feeding area, and the sliding plate can divide the feeding area into two spaces.
According to the drying equipment for spherical graphite production, the sliding plate is provided with the sieve holes, and the diameters of the sieve holes are the same as those of the first sieve plate.
The invention provides a drying device for spherical graphite production, which comprises: the drying device comprises a shell, wherein a feeding area and a drying area are arranged in the shell, the feeding area is positioned below the drying area, a feeding hole is formed in one side of the feeding area, the feeding hole is connected with a screw conveyor, a first sieve plate is arranged between the feeding area and the drying area, a blast hole is formed in the bottom of the feeding area, a material suction pipe is arranged in the middle of the drying area, a plurality of through holes are formed in the material suction pipe, an exhaust fan is externally connected with the material suction pipe, and a hygrometer is arranged above the material suction pipe; according to the invention, the floating of the spherical graphite in hot air is realized by utilizing the feeding area and the drying area which are arranged up and down, the floating of the spherical graphite is realized by utilizing the difference of the water content of the spherical graphite, the high humidity and the low humidity are realized, the hot air directly and fully contacts the graphite, the drying efficiency is high, and the energy waste caused by multi-stage heat transfer is avoided; by utilizing the movement of the sliding plate, the extrusion and crushing of the agglomerated graphite are realized.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention; FIG. 2 is a schematic cross-sectional view of the present invention; FIG. 3 is a schematic view of the heat exchange zone of the present invention; FIG. 4 is a schematic side cross-sectional view of the present invention; FIG. 5 is a schematic perspective sectional structure of the present invention; in the figure, 1-shell, 11-drying area, 12-feeding area, 121-slide plate, 122-conical bulge, 123-telescopic cylinder, 13-first sieve plate, 14-second sieve plate, 15-blast chamber, 16-heat exchange area, 17-air guide pipe, 18-suction pipe, 19-hygrometer, 2-screw conveyor, 21-preheating layer, 3-heating part, 31-heating box.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Referring to fig. 1 to 5, the present invention provides a drying apparatus for producing spherical graphite. This drying equipment for spherical graphite production includes: the shell 1, the inside of shell 1 is equipped with feeding district 12 and stoving district 11, feeding district 12 is located the below in stoving district 11, one side in feeding district 12 is equipped with the feed inlet, screw conveyer 2 is connected to the feed inlet, feeding district 12 with be equipped with first sieve 13 between the stoving district 11, feeding district 12 bottom is equipped with the blast port, the middle part in stoving district 11 is equipped with inhales material pipe 18, be equipped with a plurality of through-holes on inhaling material pipe 18, inhale the external air exhauster of material pipe 18, inhale material pipe 18 top and be equipped with hygrometer 19. The spherical graphite is conveyed to the feeding area 12 through the screw conveyor 2, high-temperature drying pressure gas is introduced into a blast port at the bottom of the feeding area 12, the high-temperature drying pressure gas can be realized by additionally arranging a heating box 31 in a gas path pipeline, the high-temperature drying pressure gas blows off the spherical graphite, the spherical graphite is fully diffused in the feeding area 12, the spherical graphite meeting the size requirement enters the drying area 11 through the first sieve plate 13, the pressure of the high-temperature drying gas is controlled, the spherical graphite is suspended in the drying area 11, the spherical graphite is fully contacted with hot air, the evaporation of moisture is accelerated, and after the moisture is evaporated, the final moisture can be directly diffused into the air along with the floating of the hot air. When the graphite is dried for a certain time and the moisture index is met, the hygrometer 19 opens the exhaust fan, and the dried spherical graphite is sucked out by the suction pipe 18 to enter the next process. The agglomerated spherical graphite is blocked in the feeding zone 12 by the first screen plate 13, and is dried for a long time, so that the agglomerated spherical graphite is prevented from being sucked out and influencing the use of the next process. The drying equipment enables heat in hot air to be in direct contact with suspended spherical graphite, and energy waste caused by multistage heat transfer is avoided.
Further, a heat exchange area 16 is arranged on the upper portion of the shell 1, the heat exchange area 16 is located on the upper portion of the drying area 11, an air guide pipe 17 is arranged in the heat exchange area 16, the air guide pipe 17 is connected with the heat exchange area 16 in a penetrating mode, heat exchange media are stored in the heat exchange area 16, and the heat exchange media in the heat exchange area 16 are subjected to heat exchange with hot air in the air guide pipe 17, so that heat is recovered, reasonable utilization of resources is facilitated, energy is saved, and environment is protected. The heat exchange medium can be water or oil or other substances capable of absorbing heat and dissipating heat. The drying equipment enables heat in hot air to be in direct contact with suspended spherical graphite, energy waste caused by multi-stage heat transfer is avoided, and waste heat after drying is recovered and utilized through a heat exchange medium, so that energy waste is further reduced. Compared with the prior art, the heat transfer is generally as follows: the heat generated by the combustion of the heating furnace, the furnace wall of the heating furnace, the pipe wall of the drying pipe and the graphite are subjected to multi-layer metal heat exchange in the middle, the heat exchange speed is slower than that of the heat exchange speed of the graphite by directly contacting hot air, and a great amount of heat is lost. Namely: in the prior art, the furnace wall and the pipe wall are heated firstly, and the residual heat dries graphite, so that when the residual heat is transferred to the graphite, the heat loss is large; and the heat of this application is earlier with graphite drying, and main heat is earlier dried, and secondly, residual heat is retrieved, and thermal utilization ratio is different.
Further, the air guide pipe 17 is in a shape of a spiral spring, so that the resistance of air flow is reduced, and the heat dissipation area is increased. The spiral spring-like air guide duct 17 increases the contact area with the heat exchange medium.
Further, the central position of the air guiding pipe 17 is higher than the outlet position of the air guiding pipe 17. The center position of the spiral spring is higher than the position of the outlet, and when the hot and humid air in the air guide pipe 17 is condensed on the inner wall of the air guide pipe 17 by cooling, water drops flow outwards along the air guide pipe 17, so that the water drops are prevented from flowing back, and secondary wetting of spherical graphite is avoided.
Further, the preheating layer 21 is arranged outside the screw conveyor 2, the preheating layer 21 is communicated with the heat exchange area 16, and a heat exchange medium in the heat exchange area 16 is communicated with the preheating layer 21 through a pipeline, so that the spherical graphite is preheated in the conveying process, evaporation of water in the spherical graphite is accelerated, and drying efficiency is improved.
Referring to fig. 4, as a preferred embodiment of the present invention, a blast chamber 15 is provided below the feeding zone 12, and a second screen plate 14 is provided between the blast chamber 15 and the feeding zone 12. The blast chamber 15 is communicated with an external pipeline, the external pipeline blows high-temperature and high-pressure drying gas into the blast chamber 15, the blast chamber 15 blows air into the feeding region 12 through a blast port, so that spherical graphite in the feeding region 12 floats upwards and drifts under buoyancy, and the spherical graphite meeting the requirements floats into the drying region 11 through the first sieve plate 13 to perform drying operation. The blast chamber 15 can uniformly arrange the wind power at the bottom of the feeding area 12 through the second sieve plate 14, so that local overgreat wind power is prevented, and the local accumulation of spherical graphite is caused, thereby affecting the drying.
Referring to fig. 4 and 5, further, a sliding plate 121 is disposed in the feeding area 12, and the sliding plate 121 is slidably connected to the housing 1. The sliding plate 121 slides in the feeding area 12, so that the spherical graphite can be uniformly diffused in the feeding area 12, and the partial spherical graphite is prevented from being accumulated, so that the drying efficiency is reduced, and the drying effect is affected.
Further, the moving direction of the sliding plate 121 is perpendicular to the feeding direction of the feeding port. The slide plate 121 is prevented from closing the feed inlet, so that the feeding cannot be performed.
Further, the casing 1 is provided with a telescopic cylinder 123 corresponding to the sliding plate 121, the movable end of the telescopic cylinder 123 is fixedly connected with the sliding plate 121, the telescopic cylinder 123 can be an air cylinder or an electric cylinder, the fixed end of the telescopic cylinder 123 is fixedly connected with the casing 1, the movable end of the telescopic cylinder 123 is fixedly connected with the sliding plate 121, and the telescopic cylinder 123 is utilized to realize the movement of the sliding plate 121.
Further, the profile of the slide plate 121 matches the cross-sectional shape of the feeding region 12, and the slide plate 121 can divide the feeding region 12 into two spaces. When the slide plate 121 is moved to one side of the feed zone 12, the slide plate 121 can be fitted on the inner wall of the feed zone 12 so that agglomerated spherical graphite is pressed and crushed.
Further, the sliding plate 121 is provided with a sieve mesh, the diameter of the sieve mesh is the same as that of the first sieve plate 13, the sieve mesh can reduce the moving resistance of the sliding plate 121, and crushed spherical graphite can diffuse through the sieve mesh, so that the sliding plate 121 is prevented from being subjected to excessive pressure. Meanwhile, the sieve holes provide a crushing effect, so that the crushing effect is improved.
Further, the feeding area 12 is provided with a plurality of conical protrusions 122 corresponding to the sieve holes on the sliding plate 121, when the sliding plate 121 is gradually close to the inner wall of the feeding area, the conical protrusions 122 are gradually inserted into the sieve holes on the sliding plate 121, so that agglomerated spherical graphite is effectively extruded, the crushing effect of the sliding plate 121 is ensured, and the drying efficiency and effect are improved.
When the drying equipment for spherical graphite production is used, spherical graphite to be dried is thrown into the feeding area 12 through the feeding port by utilizing the screw conveyor 2, the sliding plate 121 moves in a reciprocating manner under the action of the telescopic cylinder 123, the blast chamber 15 at the bottom of the feeding area 12 blows air to the feeding area 12, high-temperature drying gas conveys the spherical graphite upwards, so that the spherical graphite continuously rolls, the spherical graphite conforming to the size is blown into the drying area 11 for continuous drying, the agglomerated spherical graphite is blocked in the feeding area 12, and the agglomerated spherical graphite is extruded between the sliding plate 121 and the shell 1 when the sliding plate 121 moves in a reciprocating manner, so that the crushing of the spherical graphite is realized. The crushed spherical graphite floats to the drying area 11 as well, and when the hygrometer 19 on the suction pipe 18 detects that the humidity reaches the requirement, the floating graphite is extracted by the exhaust fan, so that the drying of the graphite is completed.
The hot and humid air generated in the drying process is led out through the air guide pipe 17, the air guide pipe 17 of the spiral spring exchanges heat with the heat exchange medium, and the moisture in the hot and humid air is condensed by cooling and flows out along the air guide pipe 17, so that the backflow of the moisture is avoided. Meanwhile, the heat exchange medium flows to the preheating layer 21 through a pipeline to preheat the screw conveyor 2, so that the spherical graphite is preheated in the conveying process, and the drying efficiency is quickened.
In summary, the present invention provides a drying apparatus for producing spherical graphite, comprising: the drying device comprises a shell, wherein a feeding area and a drying area are arranged in the shell, the feeding area is positioned below the drying area, a feeding hole is formed in one side of the feeding area, the feeding hole is connected with a screw conveyor, a first sieve plate is arranged between the feeding area and the drying area, a blast hole is formed in the bottom of the feeding area, a material suction pipe is arranged in the middle of the drying area, a plurality of through holes are formed in the material suction pipe, an exhaust fan is externally connected with the material suction pipe, and a hygrometer is arranged above the material suction pipe; according to the invention, the floating of the spherical graphite in hot air is realized by utilizing the feeding area and the drying area which are arranged up and down, the floating of the spherical graphite is realized by utilizing the difference of the water content of the spherical graphite, the high humidity and the low humidity are realized, the hot air directly and fully contacts the graphite, the drying efficiency is high, and the energy waste caused by multi-stage heat transfer is avoided; by utilizing the movement of the sliding plate, the extrusion and crushing of the agglomerated graphite are realized.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element in question must be provided with a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Of course, the present invention is capable of other various embodiments and its several details are capable of modification and variation in light of the present invention, as will be apparent to those skilled in the art, without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. Drying equipment is used in spherical graphite production, characterized by includes: the drying device comprises a shell, wherein a feeding area and a drying area are arranged in the shell, the feeding area is located below the drying area, a feeding hole is formed in one side of the feeding area, the feeding hole is connected with a screw conveyor, a first sieve plate is arranged between the feeding area and the drying area, a blast hole is formed in the bottom of the feeding area, a material suction pipe is arranged in the middle of the drying area, a plurality of through holes are formed in the material suction pipe, an exhaust fan is connected to the material suction pipe in an external mode, and a hygrometer is arranged above the material suction pipe.
2. The drying equipment for spherical graphite production according to claim 1, wherein a heat exchange area is arranged on the upper portion of the shell, the heat exchange area is arranged on the upper portion of the drying area, an air guide pipe is arranged in the heat exchange area, the air guide pipe is connected with the heat exchange area in a penetrating manner, and heat exchange media are stored in the heat exchange area.
3. The drying apparatus for producing spherical graphite according to claim 2, wherein the air guide pipe has a spiral spring shape, reduces resistance to air flow, and increases a heat dissipation area.
4. The drying apparatus for producing spherical graphite according to claim 2, wherein the center position of the air guide pipe is higher than the outlet position of the air guide pipe.
5. A drying apparatus for spherical graphite production according to claim 3, wherein a preheating layer is provided outside the screw conveyor, and the preheating layer is communicated with the heat exchange area.
6. Drying apparatus for the production of spheroidal graphite according to any one of claims 1 to 5 wherein a blast chamber is provided below the feed zone, a second screen plate being provided between the blast chamber and the feed zone.
7. The drying apparatus for spherical graphite production according to claim 6, wherein a slide plate is provided in the feeding area, and the slide plate is slidably connected to the housing.
8. The drying apparatus for spherical graphite production according to claim 7, wherein the housing is provided with a telescopic cylinder corresponding to the slide plate, and a movable end of the telescopic cylinder is fixedly connected with the slide plate.
9. The drying apparatus for spherical graphite production according to claim 8, wherein the slide plate has an outer shape matching a sectional shape of the feed area, and is capable of dividing the feed area into two spaces.
10. The drying apparatus for spherical graphite production according to claim 9, wherein the slide plate is provided with mesh holes having the same diameter as the mesh holes of the first screen plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310656703.9A CN116379712B (en) | 2023-06-05 | 2023-06-05 | Drying equipment is used in spherical graphite production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310656703.9A CN116379712B (en) | 2023-06-05 | 2023-06-05 | Drying equipment is used in spherical graphite production |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116379712A true CN116379712A (en) | 2023-07-04 |
| CN116379712B CN116379712B (en) | 2023-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310656703.9A Active CN116379712B (en) | 2023-06-05 | 2023-06-05 | Drying equipment is used in spherical graphite production |
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| DE202009012914U1 (en) * | 2009-08-07 | 2010-04-29 | Sailer, Walter, Dipl.-Ing. | Device for drying wood chips |
| WO2016079727A1 (en) * | 2014-11-18 | 2016-05-26 | Omrix Biopharmaceuticals Ltd. | Spray-drying apparatus and method of use |
| US20160369194A1 (en) * | 2014-01-20 | 2016-12-22 | China University Of Mining And Technology | Integrated method and apparatus based on pulsating fluidization for lignite de-ashing and dehydration |
| CN208382723U (en) * | 2018-05-29 | 2019-01-15 | 绍兴百慧科技有限公司 | A kind of new and effective boiling drier |
| CN209438784U (en) * | 2018-12-24 | 2019-09-27 | 青岛川林染料工业有限公司 | A kind of rotary flash dryer |
| CN211084766U (en) * | 2019-11-26 | 2020-07-24 | 河南博润化学有限公司 | Multifunctional flash evaporation dryer |
| CN212538463U (en) * | 2020-04-29 | 2021-02-12 | 金华傲农生物科技有限公司 | Air-flowing type crushing and drying device |
| CN217330519U (en) * | 2022-03-18 | 2022-08-30 | 江苏圣曼干燥设备工程有限公司 | Flash evaporation dryer for producing iron phosphate |
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2023
- 2023-06-05 CN CN202310656703.9A patent/CN116379712B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202009012914U1 (en) * | 2009-08-07 | 2010-04-29 | Sailer, Walter, Dipl.-Ing. | Device for drying wood chips |
| US20160369194A1 (en) * | 2014-01-20 | 2016-12-22 | China University Of Mining And Technology | Integrated method and apparatus based on pulsating fluidization for lignite de-ashing and dehydration |
| WO2016079727A1 (en) * | 2014-11-18 | 2016-05-26 | Omrix Biopharmaceuticals Ltd. | Spray-drying apparatus and method of use |
| CN208382723U (en) * | 2018-05-29 | 2019-01-15 | 绍兴百慧科技有限公司 | A kind of new and effective boiling drier |
| CN209438784U (en) * | 2018-12-24 | 2019-09-27 | 青岛川林染料工业有限公司 | A kind of rotary flash dryer |
| CN211084766U (en) * | 2019-11-26 | 2020-07-24 | 河南博润化学有限公司 | Multifunctional flash evaporation dryer |
| CN212538463U (en) * | 2020-04-29 | 2021-02-12 | 金华傲农生物科技有限公司 | Air-flowing type crushing and drying device |
| CN217330519U (en) * | 2022-03-18 | 2022-08-30 | 江苏圣曼干燥设备工程有限公司 | Flash evaporation dryer for producing iron phosphate |
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| CN116379712B (en) | 2023-08-15 |
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